\( 4y^2 - 5x^2 = 20 অধিবৃত্তের উৎকেন্দ্রিকতা- \)

A \( \frac{2}{\sqrt{5}} \)

B \( \frac{3}{\sqrt{5}} \)

C \( \frac{2}{5} \)

D \( \frac{\sqrt{3}}{5} \)

Solution

Correct Answer: Option B

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